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MRI Sees Brain Atrophy Years Before Alzheimer's Symptoms Memory loss and mental confusion are the first overt signs of Alzheimer's Disease, an incurable and fatal brain ailment. But scientists are starting to find evidence of the disease long before
VOA标准英语2011年(四月)
By Stephanie Ho Washington 10 September 2006 U.S. and Afghan officials acknowledge that Taleban forces are posing serious challenges to security in Afghanistan. But they add that, although Taleban fighters are fueling some of the country's worst vio
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By Benjamin Sand Kabul 16 March 2006 Fugitive Taleban leader Mullah Mohammad Omar has vowed stepped up violence against U.S.-led forces in Afghanistan. Coalition forces say they are prepared. The rare
2006年VOA标准英语（三月）
By Scott Stearns White House 07 September 2006 President Bush says Taleban fighters will not retake power in Afghanistan, where militants have staged a series of offensives and targeted killings recently that have destabilized much of the country. T
2006年VOA标准英语（九月）
A person suffering from Alzheimer's gradually loses touch with reality. It is one of the most dreaded diseases of aging. When you think about the functions that limit living independently and autonomously, loss of cognition is one of the major ones,
VOA标准英语2010年(三月)
Zhao Qianyi, 18, a freshman at Jilin University, feels lost without his computer, on which he connects with family and friends, watches videos and even does homework. 作为一名来自吉林大学的大一新生，18岁的赵谦一（音译）因为不
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